Glauconite Sand, offshore Chile
Pictures of sampling site and depositional facies
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Box corer in use |
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Macro |
Location:
200 km offshore Concepcion, south central Chile, outer shelf, ca. 160 m water depth
Depositional facies:
Outer shelf, ca. 160 km water depth
Provenance:
Glauconitic fecal pellets (peloids)
Composition:
Mainly glauconite, some phosphate
Petrographic thin section:
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Glauconitic fecal pellets with a |
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Bright field |
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Dark field |
Texture:
Well sorted, well rounded coarse-grained pellets. This is not really a natural sand because the grains were concentrated by washing and sieving from a muddy box corer sample
Sample number |
Collector |
Date of sampling |
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heubeck0025 |
Christoph Heubeck, Institut für Geologische Wissenschaften, FU Berlin |
dec. 2001 |
Comments:
This is not really a natural sand because the grains were concentrated by washing and sieving from a muddy box corer sample